Journal of radiological science and technology (대한방사선기술학회지:방사선기술과학)

Korean Society of Radiological Science (대한방사선과학회)
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Evaluation of the Effectiveness of the Shielding Device and the Organ Dose of Subject During Bone Mineral Density

골밀도검사에서 피검자의 장기선량 측정 및 차폐기구의 효용성 평가

  • Cho, Yong-In (Department of Radiology, Dongnam Institute of Radiological & Medical Sciences Cancer center) ;
  • Kim, Jung-Hoon (Department of Radiological Science, College of Health Sciences, Catholic University of Pusan)
  • 조용인 (동남권원자력의학원 영상의학과) ;
  • 김정훈 (부산가톨릭대학교 보건과학대학 방사선학과)
  • Received : 2020.04.21
  • Accepted : 2020.05.11
  • Published : 2020.06.30
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Abstract

Bone mineral density is a examination to measure the amount of bone in patients with metabolic bone disease. It is a low dose, but may cause unnecessary exposure to the gonads and other organs located in the periphery when examining the lumbar and proximal femurs. Therefore, the purpose of this study was to evaluated the exposure dose for each organ exposed during the bone mineral density through simulation, and analyzed the applicability of the subject to radiation shielding devices using 3D printing materials. As a result, the highest dose was shown at 11.47 uSv in the breast during lumbar examination and 8.98 uSv in the testis during proximal femur examination. Also, the farther away from the examination site, the lower the effect of the scattering-ray. The shielding effect of using 3D printing shielding device showed high results in proportion to the effective atomic number and specific gravity of the printing material. Among the printing materials, ABS + W showed an effect of at least 78.72 to 96.3 9% compared to the existing lead material.

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